List of currencies in Europe

[1] Czechia, Hungary, Poland, Romania and Sweden have not adopted the Euro either, although unlike Denmark, they have not formally opted out; instead, they fail to meet the ERM II (Exchange Rate Mechanism) which results in the non-use of the Euro.

[3][4] For countries which hope to join the eurozone, there are five guidelines that need to be followed, grouped in the Maastricht criteria.

[5] It was ranked just ahead of the Swiss franc, ranked fifth, which is used in Switzerland and Liechtenstein, saying that the set up of the Swiss banking "emphasizes the economic and financial stability policies dictated by the governing board of the SNB".

[7] At present, the euro is legal tender in 20 out of 27 European Union member states,[8] in addition to 6 countries not part of the EU (Monaco, San Marino, Vatican City, Andorra, Kosovo and Montenegro).

Among the states with limited recognition, Transnistria uses the Transnistrian ruble and Abkhazia uses the Abkhazian apsar.

The eurozone as of 2013
Eurozone member states
ERM II member states with an opt-out
ERM II member states
Other EU member states
States using the euro with a bilateral agreement
States which have unilaterally adopted the euro